private final List<byte[]> cache;
        private final int bufferSize;
        private final int maxBuffers;

        public TestBufferCacheImpl(int maxBuffers, int bufferSize) {
            this.maxBuffers = maxBuffers;
            this.bufferSize = bufferSize;
            this.cache = new ArrayList<>(maxBuffers);
        }

        @Override

        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);
        int[] bufferSizes = { 0, 10, 50, 100, 1024 };

        for (int bufferSize : bufferSizes) {
            byte[] dst = new byte[bufferSize];

            // When
            int result = smbComTreeDisconnect.writeParameterWordsWireFormat(dst, 0);

            // Then

/**
 * Cache for reusable byte buffers
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class BufferCacheImpl implements BufferCache {

    private final Object[] cache;
    private final int bufferSize;
    private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *
     * @param cfg the configuration to use for buffer cache settings
     */

    final int chunkSize;
    final int bufferSize;
    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    int processCalled = 0;
    boolean remainingCalled = false;

    Sink(int chunkSize, int bufferSize) {
      super(chunkSize, bufferSize);
      this.chunkSize = chunkSize;
      this.bufferSize = bufferSize;
    }

    Sink(int chunkSize) {
      super(chunkSize);

        @DisplayName("Should handle various buffer configurations")
        void testVariousBufferConfigurations(int bufferSize, int offset, int length) {
            byte[] buffer = new byte[bufferSize];
            FileFsSizeInformation info = new FileFsSizeInformation();

            if (offset + length <= bufferSize && length >= 24) {
                assertDoesNotThrow(() -> {
                    info.decode(buffer, offset, length);

    T[] castBuffer = (T[]) buffer;
    sort(castBuffer, 0, bufferSize, comparator);
    if (bufferSize > k) {
      Arrays.fill(buffer, k, buffer.length, null);
      bufferSize = k;
      threshold = buffer[k - 1];
    }
    // Up to bufferSize, all elements of buffer are real Ts (not null unless T includes null)
    T[] topK = Arrays.copyOf(castBuffer, bufferSize);
    // we have to support null elements, so no ImmutableList for us

   * [WindowCounter] generally carries the client view of total and acked bytes.
   */
  fun receivingStreamWindowChanged(
    streamId: Int,
    windowCounter: WindowCounter,
    bufferSize: Long,
  )

  /**
   * Notification that the receiving connection flow control window has changed.
   * [WindowCounter] generally carries the client view of total and acked bytes.
   */

    checkArgument(bufferSize % chunkSize == 0);

    // TODO(user): benchmark performance difference with longer buffer
    // always space for a single primitive
    this.buffer = ByteBuffer.allocate(bufferSize + 7).order(ByteOrder.LITTLE_ENDIAN);
    this.bufferSize = bufferSize;
    this.chunkSize = chunkSize;
  }

  /** Processes the available bytes of the buffer (at most {@code chunk} bytes). */

        String testPath = "\\server\\share";
        byte[] pathBytes = testPath.getBytes(java.nio.charset.StandardCharsets.UTF_16LE);
        int bufferSize = stringDataStart + pathBytes.length + 2; // +2 for null terminator
        byte[] buffer = new byte[bufferSize];

        // Path consumed (2 bytes) - value: 10 * 2 = 20
        SMBUtil.writeInt2(20, buffer, 0);

        // Number of referrals (2 bytes) - value: 1

     */
    public InputStreamThread(final InputStream is, final Charset charset, final int bufferSize, final Consumer<String> outputCallback) {
        super("InputStreamThread");
        this.bufferSize = bufferSize;
        this.outputCallback = outputCallback;

        br = new BufferedReader(new InputStreamReader(is, charset));
    }

    /**